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Showing 2013 · cond-mat.str-elShow all
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cond-mat.str-el2013★ 7 cited
The Continuous-Pole-Expansion method to obtain spectra of electronic lattice models
Peter Staar, Bart Ydens, Anton Kozhevnikov +2
We present a new algorithm to analytically continue the self-energy of quantum many-body systems from Matsubara frequencies to the real axis. The method allows straightforward, una…
cond-mat.str-el2013★ 38 cited
DCA: Dynamical Cluster Approximation with continuous lattice self-energy
Peter Staar, Thomas Maier, Thomas C. Schulthess
The dynamical cluster approximation (DCA) is a systematic extension beyond the single site approximation in dynamical mean field theory (DMFT), to include spatially non-local corre…